139
Everything about the number 139 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 139
| Nominal | 139 |
| Cardinal | one hundred thirty-nine |
| Ordinal | 139th |
| This number as US currency | one hundred thirty-nine dollars |
Properties (and some facts) of 139
| Is 139 an odd number? | 139 is an odd number |
| Is 139 an even number? | 139 is not an even number |
| Is 139 a palindrome? | 139 is not a palindrome |
| Is 139 a triangle number? | 139 is not a triangle number |
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139 in other bases
| Base 2 (Binary) | 10001011 |
| Base 3 (Ternary) | 12011 |
| Base 4 (Quaternary) | 2023 |
| Base 5 (Quinary) | 1024 |
| Base 6 (Senary) | 351 |
| Base 8 (Octal) | 213 |
| Base 12 (Duodecimal) | B7 |
| Base 16 (Hexadecimal) | 8B |
| Base 20 (Vigesimal) | 6J |
Primes and factors tests for 139
| Is 139 a prime number? | 139 is a prime number |
| Is 139 a perfect number? | 139 is not a perfect number |
| Is 139 a Mersenne prime? | 139 is not a Mersenne prime |
| Is 139 a Fermat prime? | 139 is not a Fermat prime |
| Is 139 a Fibonacci prime? | 139 is not a Fibonacci prime |
| Is 139 a partition prime? | 139 is not a partition prime |
| Is 139 a Pell prime? | 139 is not a Pell prime |
| Prime Factors | Prime factors of 139 |
139 in other numeral systems
| 139 in Roman numerals | CXXXIX |
| 139 in Chinese numerals | 壹佰叄拾玖 |
| 139 in Babylonian numerals |   |
| 139 in Egyptian numerals | 𓍢𓎈𓐂 |
Roots and squares for 139
| Is 139 a square number? | 139 is not a square number |
| Is 139 a cube number? | 139 is not a cube number |
| Square root of 139 | 11.789826122552 |
| Cube root of 139 | 5.1801014673803 |
Recreational math for 139
| Number 139 reversed | 931 |
| Sum of the digits | 13 |
| Number of digits | 3 |
Arithmetic tables for 139
Other pages about 139
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